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CCDB → Angiosperms → Compositae → Pseudoclappia → Pseudoclappia arenaria Rydb.
| Name | Accepted Name | Gametophytic(n) | Sporophytic(2n) | Data Source | reference | ||
| Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 18-19(1) | Asteracea | Reveal & S. 1976 Rhodora | |||
| Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 18-19 | IPCN online | Reveal, J. L. & R. Spellenberg. 1976. Miscellaneous chromosome counts of Western American plants - III. Rhodora 78: 37–52. | |||
| Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 17II=II, 18II, 19II | IPCN online | Powell, A. M. & S. A. POWELL. 1977. Chromosome numbers of gypsophilious plant species of the Chibuahuan Desert. Sida 7: 80–90. | |||
| Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 19 | IPCN online | Keil, D. J. & T. F. Stuessy. 1977. Chromosome counts of Compositae from Mexico and the United States. Amer. J. Bot. 64: 791–798. | |||
| ! | Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 36 | eFlora | |||
| ! | Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 36, 36+1B | Fedorov, 1974 | Powell, Turner 1963 | ||
| Pseudoclappia arenaria Rydb. | Pseudoclappia arenaria Rydb. | 18 | Cave1963 | Powell & T. 1963 |